First find the slope, take derivative of both sides with respect to x. 2y dy/dx=3x^2+6x solve for dy/dx dy/dx=[3x^2+6x]/2y plug in given vales of (1,2( dy/dx=9/4
now you have everything you need to plug into point slope form y-2=(9/4)(x-1) answer is y=(9/4)x+(1/4)
